Question: What is the name of the airline that operated Airbus A300?
Paraphrase: Airbus A300 is operated by which airline?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P121 wd:Q6437 . ?sbj wdt:P31 wd:Q46970 } 
Answer: Thai Airways, China Eastern Airlines, Air Hong Kong, Iran Air, Tunisair, Monarch Airlines, Japan Air System, Hapag-Lloyd Flug, American Airlines, Cathay Dragon